Solve:
X_n+_2 - 4X_n+_1 + 3X_n = 2\delta_(n2) - 2\delta_(n5)


If: X_6 = X_1 = 0


Taking the Z Transform ( x= x bar):


z^2 x - 4zx + 3 = 2z^2 - 2z^5

x= 2z^2 - 2z^5/(z-3)(z-1)


Uncertain what steps to take next. Thanks